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Noise-canceling robots to 'mute' loud conversations in cafe | What if we told you that we can actually silence a noisy table right next to us in a café?(interestingengineering.com)

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Noise-canceling robots to ‘mute’ loud conversations in cafe | What if we told you that we can actually silence a noisy table right next to us in a café?::undefined

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TechieDamien@lemmy.ml
5 points

It can’t double the dBs. It will only add 3 as dBs are a log scale and +/-3dBs is double/half.

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K3zi4@lemmy.world
1 point

Oops, yes, this. A perceived doubling!

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